there are a lot of different codes to be honest. i have like 25 of them. when i type this again ill give you all of them :D
you can go to codejunkies.com to find some but if you need other cheats send me a msg at a9AlexGomez@myspace.com i make them :D
theres the duplicating cheat check youtube theyll tell ya
9207998A 00001808 0207998C F962F7FA 94000130 FFF30000 0207998C 46C046C0 D2000000 00000000 that's the cheat to clone the Pokemon move your Pokemon and the press select+START+A hope that helped
find them in grass